Seekers of the Cosmos

Pluto’s largest moon, Charon, in enhanced color as seen from New Horizons.

It is actually half the width of Pluto, making it the largest moon relative to its planet in our solar system.

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2 days ago | [YT] | 1,241

Seekers of the Cosmos

James Webb image of Pismis 24-1, a mammoth star system nestled within the Lobster Nebula, about 6,000 light-years away.

2 days ago | [YT] | 1,233

Seekers of the Cosmos

New Hubble image of the interstellar comet 3I/ATLAS. ☄️

Captured just as it’s about to leave our solar system permanently.

5 days ago (edited) | [YT] | 1,497

Seekers of the Cosmos

Deimos before dawn.
Perseverance captured this haunting view of Mars' smaller moon at 4:27 AM Mars time.

1 week ago | [YT] | 1,670

Seekers of the Cosmos

New JWST images of Saturn.

1 week ago | [YT] | 2,244

Seekers of the Cosmos

Sun vs Stephenson 2-18, the biggest known star in the observable universe!

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2 weeks ago | [YT] | 1,745

Seekers of the Cosmos

Evolution of Pluto from discovery in 1930 to New Horizons in 2015.

2 weeks ago | [YT] | 2,366

Seekers of the Cosmos

Voyager 1 is about to reach one light day from Earth.

By 15 November 2026, after nearly 50 years in space, it will be about 25.9 billion km away, meaning a radio signal from Earth will take a full 24 hours to reach it.

3 weeks ago | [YT] | 1,604

Seekers of the Cosmos

Rare red lightning seen from the ISS over Mexico and the U.S.

📸: NASA Astronaut Nichole Ayers

3 weeks ago | [YT] | 2,105

Seekers of the Cosmos

JWST dropped a new image of Apep, a rare triple star system.

Webb’s mid-infrared view shows four spiraling dust shells around a pair of Wolf-Rayet stars and confirms a third star bound to them. Earlier telescopes saw only one.

4 weeks ago | [YT] | 1,482